Age Calculator

Date of Birth

About this Age Calculator tool

The age calculator finds your exact age in years, months and days from your date of birth to today or to any date you choose. It is useful for forms, eligibility checks and just for fun.

How to use it

Enter your date of birth.
Optionally choose a different date to calculate to.
Read your age in years, months and days.

Example

Born 15 March 1990, on 15 June 2026  →  36 years, 3 months, 0 days

Frequently asked questions

How is age calculated?

The tool counts full years, then remaining months, then remaining days from the date of birth to the target date.

Can I calculate age on a past or future date?

Yes. Choose the date you want to calculate to.

Is my date of birth stored?

No. The calculation runs in your browser.